Head. Number of frontal bristles
three pairs. Number of orbital bristles one pair. Anterior orbital bristle of
male normal, unmodified. Posterior orbital bristlesreclinate;
acuminate. Ocellar bristles long, about as long as frontal bristles. Postocellar
bristles present. With both inner and outer vertical bristles. Outer
vertical, postvertical and postocellar bristles outer vertical
bristles acuminate, postvertical and postocellar bristles lanceolate and pale
(postverticals minute or absent, assumed lanceolate). Postocular
bristleslanceolate; normal. Genal bristle present. Head about as
long as high. Male and female head width the same. Frontofacial angle about
equal to a right angle and angular. Face concave; with distinct antennal grooves
and carina; shorter than frons; with ventral part projected, or vertical;
without dark marks. Parafacial spot absent. Frons and parafacial without small
silvery markings. Fronto-orbital plate setulose. Frontal stripe non-setulose.
Eye round, about as high or slightly higher than long. Antenna about as long as
face. Scape, pedicel, and first flagellomere all relatively short. First
flagellomere as long as face; rounded apically. Arista as long as first
flagellomere; bare or with hairs distinctly shorter than greatest aristal width.
Probosciselongate, geniculate.

Male terminalia. Epandrium in
posterior view rounded or oval, including the short, undifferentiated outer
surstyli; lateral view with outer surstyli a continuation of the epandrium.

Female terminalia. Syntergosternite
7 straight; shorter than preabdomen; base without a laterally projecting flap;
conical, or flattened. Ratio of syntergosternite 7 to abdominal tergite 5 3.
Dorsobasal scales of eversible membrane about as large as other scales (?).
Aculeus tip fused to main part of aculeus, not movable.